A protective device for lifting equipment
By designing protective devices for lifting equipment, using multi-layer rope stabilization brackets for rotation and restriction, the problem of spinning ropes of bridge cranes is solved, and the safety and service life of the equipment are improved.
Patent Information
- Application Number
- CN202411980921.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-04-08
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The ropes in bridge cranes are prone to spin during rotation operation, causing the suspension equipment to spin, increasing the risk of safety accidents and equipment damage.
A protective device for lifting equipment is designed, including a hook protection mechanism, a lifting slide assembly, a rope stabilization bracket and a hook ring assembly. The device uses a multi-layer hanging rope stabilization bracket to rotate at a certain angle and limit the limit to ensure that the hanging rope is in a naturally sagging state and avoids spin.
It effectively avoids spin and safety problems of goods such as equipment in suspended state, solves safety accidents and equipment damage caused by spinning ropes, and improves the property safety and personnel safety of the hoisted goods and equipment.
Smart Images
Figure CN119774422A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of bridge cranes, and in particular relates to a protective device for lifting equipment. Background Art
[0002] Cranes are common lifting machines in industry. Cranes refer to lifting machinery that can lift and carry heavy objects vertically and horizontally within a certain range. Therefore, cranes have become indispensable machines in various fields of industrial production. Cranes can lift and carry heavy objects that are difficult for manual labor to move, thereby increasing the working rate during industrial production. Lifting equipment starts a vertical or vertical and horizontal working journey after picking up materials, unloads after reaching the destination, and then travels empty to the material picking location to complete a working cycle. Among them, bridge cranes are cranes that can carry goods in the vertical direction and in the horizontal direction. They can replace manual labor to carry some heavier goods or some goods at higher positions. When lifting and carrying equipment and other goods, the lifted equipment will be rotated to a certain angle due to the placement position, placement direction and other postures of the equipment to achieve the installation and use requirements of the specified posture; thus, the lifting rope in the bridge crane is subject to problems such as rotation and kinking; therefore, it is easy to cause dangerous situations such as self-spinning of equipment and other goods in the suspended state, and it is easy to cause personnel safety accidents and equipment damage.
[0003] In view of the above-mentioned problem that the lifting rope may spin and easily cause safety accidents and equipment damage, the present invention designs a protective device for lifting equipment. Summary of the invention
[0004] The object of the present invention is to provide a protective device for lifting equipment. Through the action of the hook protection mechanism, when the equipment and other cargo in a suspended state need to be rotated and adjusted in posture, the multi-layer rope stabilizing bracket can rotate the rope in the hook protection mechanism to a certain angle and limit the position to ensure that the rope outside the hook protection mechanism is in a natural drooping state; thereby avoiding the self-spinning of the equipment and other cargo in a suspended state and safety problems, and solving the above-mentioned problem that the self-spin of the rope may easily cause safety accidents and equipment damage.
[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:
[0006] The present invention is a protective device for lifting equipment, including a hook protection mechanism, a bridge crane and its main beam and a lifting trolley, wherein the lifting trolley is equipped with a lifting rope, and the bottom end of the lifting rope is matched with a pulley mechanism and a lifting hook; the bottom of the lifting trolley is fixedly installed with a hook protection mechanism; the hook protection mechanism includes a lifting slide column assembly, a lifting rope stabilizing bracket and a hook ring assembly; a plurality of groups of lifting rope stabilizing brackets are fixedly installed at the bottom of the lifting slide column assembly, and the outer end of each group of the lifting rope stabilizing brackets is fixedly installed with a hook ring assembly; the hook ring assembly has a lifting rope sheathed inside; The lifting slide column assembly controls the height of the top of the rope stabilizing bracket to adapt to the height of the rope stabilizing bracket during the lifting process without interfering with the height of the hoisted goods; the rope between the rope stabilizing bracket on the top layer and the rope stabilizing bracket on the bottom layer in the hook protection mechanism can be twisted at a certain angle and restrained and limited; even if the rope within this range is in a bent state during twisting, it will not spin under the restraining and limiting action of the rope stabilizing bracket; the need for posture adjustment such as rotation of the goods is met, and the function of avoiding spinning can be avoided at the same time.
[0007] As a preferred technical solution of the present invention, a rotating ring is fixedly installed on the lifting rope stabilizing bracket, and the center of the lifting rope stabilizing bracket coincides with the center of the rotating ring; a rotating table ring seat is installed between each two adjacent layers of the lifting rope stabilizing bracket, and the rotating table ring seat is a ring-shaped structure, and the rotating table ring seat is located between the two adjacent layers of rotating rings; the rotating table ring seat controls the rotation angle between each two adjacent layers of the lifting rope stabilizing bracket; the function of adjusting the rotation state of the lifting rope is realized to meet the needs of the goods for rotation and other posture adjustments; it also avoids the situation where employees perform manual adjustments beside the goods, which is prone to safety accidents such as danger; it has the advantages of improving the property safety and personnel safety of hoisted goods and equipment.
[0008] As a preferred technical solution of the present invention, the rotating table ring seat includes a rotating table seat and a retaining ring; a rotating slot is provided on the rotating table seat; an inner retaining ring is provided at the bottom of the retaining ring; the inner wall of the inner retaining ring is rotationally matched with the peripheral side of the rotating slot; a gear is fixed on the peripheral side of the retaining ring; a micro motor is fixedly installed on the peripheral side of the rotating table seat; a driving gear is fixedly installed on the output shaft of the micro motor and meshes with the gear for transmission; the rotating table ring seat realizes the function of controlling the rotation angle adjustment between each two adjacent layers of suspension rope stabilization brackets.
[0009] As a preferred technical solution of the present invention, several groups of rotation angle limit assemblies are arranged between each two adjacent layers of rotating rings, and the rotation angle limit assemblies are located on the outside of the rotating table ring seat; the rotation angle limit assemblies include a limit column; the limit column is fixedly installed on the upper surface of the rotating ring, and the rotating ring is provided with an arc limit groove at the top of the limit column; the top of the limit column is slidably matched with the inner wall of the arc limit groove; when the rotating table ring seat rotates the suspension rope stabilizing bracket, a variety of opposite forces will be generated between each two adjacent layers of the suspension rope stabilizing bracket, which may easily cause resistance and increased wear to the rotation of the rotating table ring seat; the function of the rotation angle limit assembly alleviates the wear and resistance to a certain extent, and also improves the service life of the equipment.
[0010] As a preferred technical solution of the present invention, the rotation angle limit assembly also includes an electric telescopic rod and a limit card plate; the top of the limit column is equipped with an electric telescopic rod, and the telescopic end of the electric telescopic rod is fixedly installed with a limit card plate; the arc limit groove is provided with a limit card slot that matches the limit card plate; the limit card plate and the limit card slot are vertically slidably matched; when the rotation posture adjustment of the cargo is completed, the electric telescopic rod can control the limit card plate to enter the limit card slot to achieve a locking effect; it also prevents the lifting rope in the hook protection mechanism from spinning.
[0011] As a preferred technical solution of the present invention, the lifting slide column assembly includes a rectangular base and a rectangular slider; a rectangular slide groove is opened inside the rectangular base, and a screw motor is installed at the top of the rectangular slide groove; a threaded rod is fixedly installed on the output shaft of the screw motor, and the threaded rod passes through a thread and is matched with a number of rectangular sliders; a clearance slide groove is opened on both side surfaces of the rectangular base; a group of connecting rods are fixedly installed on both side surfaces of the rectangular slider; the outer end of each group of the connecting rods is fixedly installed on the rope stabilizing bracket; the lifting slide column assembly controls the height of the rope stabilizing bracket on the top layer, and provides stable support and a limiting effect in the horizontal direction for the rope stabilizing bracket on the top layer, so that the rope stabilizing bracket on the top layer will not spin.
[0012] As a preferred technical solution of the present invention, the hook assembly includes a half-ring hook and a group of torque clamps; the two ends of the half-ring hook are respectively hinged with a group of torque clamps, and the hinges are fixedly connected with spring pressure plates; the outer ends of a group of torque clamps are in contact with the inner wall of the half-ring hook; the function of the hook assembly is that the sling can easily enter the hook assembly and is not easy to detach from the hook assembly.
[0013] The present invention has the following beneficial effects:
[0014] 1. Through the function of the hook protection mechanism, when the equipment and other goods in the suspended state need to be rotated and adjusted, the multi-layer rope stabilizing bracket can rotate the rope in the hook protection mechanism to a certain angle and limit it. On the basis of achieving the required rotation adjustment function, the rope outside the hook protection mechanism can be placed in a natural drooping state, thereby avoiding the self-spin and safety problems of the equipment and other goods in the suspended state.
[0015] 2. The present invention reduces the wear and resistance of the rotating table ring seat during operation to a certain extent by designing a rotation angle limit component on the rope stabilizing bracket, and also improves the service life of the equipment; it also has a locking function and prevents the rope in the hook protection mechanism from spinning.
[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.
[0018] Figure 1 It is a structural schematic diagram of a protective device for lifting equipment of the present invention;
[0019] Figure 2 It is a schematic diagram of the structure of the hook protection mechanism, the rotating table ring seat and the rotation angle limit assembly;
[0020] Figure 3 It is the structural diagram of the lifting trolley;
[0021] Figure 4 It is a schematic diagram of the structure of a rectangular slider and a suspension rope stabilizing bracket;
[0022] Figure 5 It is a structural schematic diagram of the rotating table ring seat;
[0023] Figure 6 is a schematic diagram of the structure of the snap ring;
[0024] Figure 7 It is a structural schematic diagram of the rotating pedestal;
[0025] Figure 8 It is a schematic diagram of the structure of the rotating ring and the rotating angle limiting component;
[0026] Fig. 9 It is a schematic diagram of the structure of the hook assembly and the sling;
[0027] Fig.10 It is a top view of the structure of the hook assembly and the sling;
[0028] Fig.11 It is a structural schematic diagram of a hook and loop assembly;
[0029] Fig.12 It is a structural schematic diagram of a half ring hook;
[0030] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0031] 1-lifting trolley, 2-hook protection mechanism, 3-rotating table ring seat, 4-rotation angle limit assembly, 101-lifting rope, 102-hook, 201-lifting slide column assembly, 202-lifting rope stabilizing bracket, 203-hook ring assembly, 204-rotating ring, 205-arc limit groove, 206-limit card slot, 301-rotating table, 302-clamping ring, 303-rotating card slot, 304-inner clamping ring, 305-gear, 306-micro motor, 401-limit column, 402-electric telescopic rod, 403-limit card plate, 2011-rectangular base, 2012-rectangular slider, 2013-rectangular slide, 2014-yield slide, 2015-connecting rod, 2031-semi-ring hook, 2032-torque card column, 2033-spring pressure piece. DETAILED DESCRIPTION
[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0033] Embodiment 1
[0034] See also Figure 1-3As shown, the present invention is a protective device for lifting equipment, including a hook protection mechanism 2, a bridge crane and its main beam and a lifting trolley 1, the lifting trolley is equipped with a lifting rope 101, and the bottom end of the lifting rope 101 is matched with a pulley mechanism and a hook 102; the bottom of the lifting trolley 1 is fixedly installed with a hook protection mechanism 2; the hook protection mechanism 2 includes a lifting slide column assembly 201, a lifting rope stabilizing bracket 202 and a hook assembly 203; a plurality of groups of lifting rope stabilizing brackets 202 are fixedly installed at the bottom of the lifting slide column assembly 201, and the outer end of each group of lifting rope stabilizing brackets 202 is fixedly installed with a hook assembly 203; the hook assembly 203 has a lifting rope 101 sheathed inside. 1; the lifting column assembly 201 controls the height of the top of the rope stabilizing bracket 202, so as to adapt the height of the rope stabilizing bracket 202 during the lifting process without interfering with the height of the lifted goods; the rope 101 between the rope stabilizing bracket 202 at the top layer and the rope stabilizing bracket 202 at the bottom layer in the hook protection mechanism 2 can be twisted at a certain angle and restrained and limited; so that even if the rope 101 within this range is in a bent state during twisting, it will not spin under the restraining and limiting action of the rope stabilizing bracket 202; the need for posture adjustment such as rotation of the goods is realized, and the function of avoiding spinning can be avoided at the same time.
[0035] Among them Figure 2 As shown, a rotating ring 204 is fixedly installed on the lifting rope stabilizing bracket 202, and the center of the lifting rope stabilizing bracket 202 coincides with the center of the rotating ring 204; a rotating table ring seat 3 is installed between each two adjacent layers of lifting rope stabilizing brackets 202, and the rotating table ring seat 3 is a ring-shaped structure, and the rotating table ring seat 3 is located between the two adjacent layers of rotating rings 204; the rotating table ring seat 3 controls the rotation angle between each two adjacent layers of lifting rope stabilizing brackets 202; the function of adjusting the rotation state of the lifting rope 101 is realized to meet the needs of rotation and other posture adjustments of the goods; it also avoids the situation where employees perform manual adjustments beside the goods, which is prone to safety accidents such as danger; it has the advantages of improving the property safety and personnel safety of hoisted goods and equipment.
[0036] Among them Figure 5-7 As shown, the rotating table ring seat 3 includes a rotating table 301 and a retaining ring 302; a rotating slot 303 is provided on the rotating table 301; an inner retaining ring 304 is provided at the bottom of the retaining ring 302; the inner wall of the inner retaining ring 304 is rotationally matched with the side surface of the rotating slot 303; a gear 305 is fixed on the side surface of the retaining ring 302; a micro motor 306 is fixedly installed on the side surface of the rotating table 301; a driving gear is fixedly installed on the output shaft of the micro motor 306, and is meshed with the gear 305 for transmission; the rotating table ring seat 3 realizes the function of controlling the rotation angle adjustment between each two adjacent layers of the suspension rope stabilizing bracket 202.
[0037] Among them Figure 3-4As shown, the lifting slide column assembly 201 includes a rectangular base 2011 and a rectangular slider 2012; a rectangular slide groove 2013 is opened inside the rectangular base 2011, and a screw motor is installed at the top of the rectangular slide groove 2013; a threaded rod is fixedly installed on the output shaft of the screw motor, and the threaded rod passes through the thread and is matched with a number of rectangular sliders 2012; a yielding slide groove 2014 is opened on both sides of the rectangular base 2011; a group of connecting rods 2015 are fixedly installed on both sides of the rectangular slider 2012; the outer end of each group of connecting rods 2015 is fixedly installed with the rope stabilizing bracket 202; the lifting slide column assembly 201 controls the height of the rope stabilizing bracket 202 on the top layer, and provides stable support and a limiting effect in the horizontal direction for the rope stabilizing bracket 202 on the top layer, so that the rope stabilizing bracket 202 on the top layer will not spin.
[0038] Among them Figure 9-12 As shown, the hook assembly 203 includes a half-ring hook 2031 and a group of torque clamping columns 2032; the two ends of the half-ring hook 2031 are respectively hinged with a group of torque clamping columns 2032, and the hinges are fixedly connected with spring pressure plates 2033; the outer ends of a group of torque clamping columns 2032 are all in contact with the inner wall of the half-ring hook 2031; the function of the hook assembly 203 is that the sling 101 can easily enter the hook assembly 203 and is not easy to detach from the hook assembly 203.
[0039] Embodiment 2
[0040] A more preferred technical solution based on the first embodiment is as follows: Figure 2 and Figure 8 As shown, a plurality of groups of rotation angle limiting components 4 are arranged between each two adjacent layers of rotating rings 204, and the rotation angle limiting components 4 are located on the outside of the rotating table ring seat 3; the rotation angle limiting components 4 include limiting columns 401; the limiting columns 401 are fixedly mounted on the upper surface of the rotating ring 204, and the rotating ring 204 is provided with an arc limiting groove 205 at the top of the limiting columns 401; the top of the limiting columns 401 is slidably matched with the inner wall of the arc limiting groove 205; when the rotating table ring seat 3 rotates the suspension rope stabilizing bracket 202, a variety of opposite forces will be generated between each two adjacent layers of the suspension rope stabilizing bracket 202, which may easily cause resistance and increased wear to the rotation of the rotating table ring seat 3; the function of the rotation angle limiting components 4 reduces the wear and resistance to a certain extent, and also improves the service life of the equipment.
[0041] Among them Figure 2 and Figure 8As shown, the rotation angle limiting assembly 4 also includes an electric telescopic rod 402 and a limiting card plate 403; the electric telescopic rod 402 is assembled on the top of the limiting column 401, and the limiting card plate 403 is fixedly installed on the telescopic end of the electric telescopic rod 402; a limiting card slot 206 cooperating with the limiting card plate 403 is opened on the arc limiting groove 205; the limiting card plate 403 and the limiting card slot 206 are vertically slidably matched; when the rotation posture adjustment of the cargo is completed, the electric telescopic rod 402 can control the limiting card plate 403 to enter the limiting card slot 206 to achieve a locking effect; it also prevents the rope 101 in the hook protection mechanism 2 from spinning.
[0042] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0043] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.
Claims
1. A protective device for lifting equipment, comprising a bridge crane and its main beam and a lifting trolley (1), wherein the lifting trolley is equipped with a lifting rope (101), and the bottom end of the lifting rope (101) is equipped with a pulley mechanism and a hook (102); characterized in that: It also includes a hook protection mechanism (2); A hook protection mechanism (2) is fixedly installed at the bottom of the lifting trolley (1); The hook protection mechanism (2) comprises a lifting slide assembly (201), a lifting rope stabilizing bracket (202) and a hook assembly (203); a plurality of groups of lifting rope stabilizing brackets (202) are fixedly mounted on the bottom of the lifting slide assembly (201), and a hook assembly (203) is fixedly mounted on the outer end of each group of lifting rope stabilizing brackets (202); and a lifting rope (101) is sheathed inside the hook assembly (203).
2. A protective device for lifting equipment according to claim 1, characterized in that: A rotating ring (204) is fixedly mounted on the rope stabilizing bracket (202), and the center of the rope stabilizing bracket (202) coincides with the center of the rotating ring (204); a rotating table ring seat (3) is arranged between each two adjacent layers of the rope stabilizing bracket (202), and the rotating table ring seat (3) is a ring-shaped structure, and the rotating table ring seat (3) is located between two adjacent layers of rotating rings (204).
3. A protective device for lifting equipment according to claim 2, characterized in that: The rotating table ring seat (3) comprises a rotating table seat (301) and a snap ring (302); a rotating groove (303) is provided on the rotating table seat (301); an inner snap ring (304) is provided at the bottom of the snap ring (302); the inner wall of the inner snap ring (304) is rotationally matched with the peripheral side surface of the rotating groove (303); a gear (305) is fixed on the peripheral side surface of the snap ring (302); a micro motor (306) is fixedly installed on the peripheral side surface of the rotating table seat (301); a driving gear is fixedly installed on the output shaft of the micro motor (306) and is meshed with the gear (305) for transmission.
4. A protective device for lifting equipment according to claim 2, characterized in that: A plurality of groups of rotation angle limiting components (4) are arranged between each two adjacent layers of the rotating rings (204), and the rotation angle limiting components (4) are located on the outer side of the rotating table ring seat (3); the rotation angle limiting components (4) include a limiting column (401); the limiting column (401) is fixedly mounted on the upper surface of the rotating ring (204), and the rotating ring (204) is provided with an arc limiting groove (205) at the top of the limiting column (401); the top of the limiting column (401) is slidably matched with the inner wall of the arc limiting groove (205).
5. A protective device for lifting equipment according to claim 4, characterized in that: The rotation angle limiting assembly (4) further comprises an electric telescopic rod (402) and a limiting clamping plate (403); the electric telescopic rod (402) is mounted on the top of the limiting column (401), and the limiting clamping plate (403) is fixedly mounted on the telescopic end of the electric telescopic rod (402); a limiting clamping groove (206) matching with the limiting clamping plate (403) is provided on the circular arc limiting groove (205); the limiting clamping plate (403) and the limiting clamping groove (206) are matched with each other in a vertical sliding manner.
6. A protective device for lifting equipment according to claim 1, characterized in that: The lifting slide column assembly (201) comprises a rectangular base (2011) and a rectangular slider (2012); a rectangular slide groove (2013) is provided inside the rectangular base (2011), and a screw motor is installed at the top of the rectangular slide groove (2013); a threaded rod is fixedly installed on the output shaft of the screw motor, and the threaded rod is threadedly penetrated and matched with a plurality of rectangular sliders (2012); two side surfaces of the rectangular base (2011) are provided with a clearance slide groove (2014); two side surfaces of the rectangular slider (2012) are fixedly installed with a group of connecting rods (2015); the outer end of each group of the connecting rods (2015) is fixedly installed with the suspension rope stabilizing bracket (202).
7. A protective device for lifting equipment according to claim 1, characterized in that: The hook ring assembly (203) comprises a half-ring hook (2031) and a group of torque clamping columns (2032); the two ends of the half-ring hook (2031) are respectively hinged with a group of torque clamping columns (2032), and the hinges are fixedly connected with spring pressing sheets (2033); the outer ends of a group of torque clamping columns (2032) are in contact with the inner wall of the half-ring hook (2031).